2251206212150 has 48 divisors (see below), whose sum is σ = 4789706210016. Its totient is φ = 771151000320.

The previous prime is 2251206212041. The next prime is 2251206212219. The reversal of 2251206212150 is 512126021522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2488199 + ... + 3270098.

It is an arithmetic number, because the mean of its divisors is an integer number (99785546042).

Almost surely, 2^{2251206212150} is an apocalyptic number.

2251206212150 is an abundant number, since it is smaller than the sum of its proper divisors (2538499997866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251206212150 is a wasteful number, since it uses less digits than its factorization.

2251206212150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759433 (or 5759428 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 2251206212150 in words is "two trillion, two hundred fifty-one billion, two hundred six million, two hundred twelve thousand, one hundred fifty".